Consider the molecules CH4, NH3 and H2O. Which of the given statements is false?
1. The H-0-H bond angle in H2O is larger than the H-C-H bond angle in CH4
2. The H-C-H bond angle in CH4 is larger than the H-N-H bond angle in NH3
3. The H-C-H bond angle in CH4, the H-N-H bond angle in NH3 and the H-0-H bond angle in H2O are all greater than 90o
4. The H-O-H bond angle in H2O is smaller than the H-N-H bond angle in NH3

 

Subtopic:  Hybridisation | V.S.E.P.R & V.B.T |
 63%
From NCERT
NEET - 2016

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In which of the following pairs, both the species are not isostructural?

1. SiCl4, PCl4+

2. Diamond, silicon carbide

3. NH3, PH3

4. XeF4,XeO4

 

Subtopic:  Hybridisation | V.S.E.P.R & V.B.T |
 68%
From NCERT
NEET - 2015

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Which of the following species contains equal number of σ and π bonds?
 
1. HCO3-
 
2. XeO4
 
3. CN2
 
4. CH2(CN)2

 

Subtopic:  Types of Chemical Bond |
 71%
From NCERT
NEET - 2015

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Which of the following is a polar molecule?
1. SF4
2. SiF4
3. XeF4
4. BF3

 

Subtopic:  Polarity |
 59%
From NCERT
AIPMT - 2013

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Which of the following is paramagnetic?
1. O2
2. CN
3. NO+
4. CO

 

Subtopic:  M.O.T |
 80%

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Which of the following species contains three bond pairs and one lone pair around the central atom?

1. H2O

2. BF3

3. NH2-

4. PCl3

Subtopic:  V.S.E.P.R & V.B.T |
 77%
From NCERT
AIPMT - 2012

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The pair of species with the same bond order is

1. O22-, B2

2. O2+,NO+

3. NO,CO

4. N2,O2

Subtopic:  M.O.T |
 68%
From NCERT
AIPMT - 2012

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Which of the two ions from the list given below have the geometry that is explained by the same hybridisation of orbitals, NO2-,NO3-,NH2-,NH4-, and SCN- ?

1.  NH4- and NO3-

2.  SCN- and NH2-

3.  NO2- and NH2-

4.  NO2- and NO3-

Subtopic:  Hybridisation |
 58%
From NCERT
AIPMT - 2011

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Which of the following has the minimum bond length?

1. O2- 2. O22-
3. O2 4. O2+

Subtopic:  M.O.T |
 70%
From NCERT
AIPMT - 2011

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